The combination of ARX bullets with Umarex SpeedBand polymer sabots elevates pre-charged pneumatic air rifle performance into the 21st century. The groundbreaking Umarex SpeedBand sabot performs flawlessly in both muzzleloaders .50 caliber air

rifles. The polymer formulation of Umarex SpeedBand sabots creates a powerful seal in barrel lands and grooves, blocking the passage of air to swiftly drive the projectile down the barrel. Upon exiting the muzzle, captive air pressure on the sabot forces release of the high velocity, light-weight ARX ammo, which maximizes momentum and delivers un-paralleled terminal performance on target.

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